1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2012 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 */ 34 35 #include <stdarg.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <signal.h> 39 #include <string.h> 40 #include <time.h> 41 #include <fcntl.h> 42 #include <sys/types.h> 43 #include <errno.h> 44 45 #include <sys/queue.h> 46 #include <sys/stat.h> 47 48 #include <stdint.h> 49 #include <unistd.h> 50 #include <inttypes.h> 51 52 #include <rte_common.h> 53 #include <rte_byteorder.h> 54 #include <rte_log.h> 55 #include <rte_debug.h> 56 #include <rte_cycles.h> 57 #include <rte_memory.h> 58 #include <rte_memcpy.h> 59 #include <rte_memzone.h> 60 #include <rte_launch.h> 61 #include <rte_tailq.h> 62 #include <rte_eal.h> 63 #include <rte_per_lcore.h> 64 #include <rte_lcore.h> 65 #include <rte_atomic.h> 66 #include <rte_branch_prediction.h> 67 #include <rte_ring.h> 68 #include <rte_mempool.h> 69 #include <rte_malloc.h> 70 #include <rte_mbuf.h> 71 #include <rte_interrupts.h> 72 #include <rte_pci.h> 73 #include <rte_ether.h> 74 #include <rte_ethdev.h> 75 #include <rte_string_fns.h> 76 77 #include "testpmd.h" 78 79 uint16_t verbose_level = 0; /**< Silent by default. */ 80 81 /* use master core for command line ? */ 82 uint8_t interactive = 0; 83 84 /* 85 * NUMA support configuration. 86 * When set, the NUMA support attempts to dispatch the allocation of the 87 * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the 88 * probed ports among the CPU sockets 0 and 1. 89 * Otherwise, all memory is allocated from CPU socket 0. 90 */ 91 uint8_t numa_support = 0; /**< No numa support by default */ 92 93 /* 94 * Record the Ethernet address of peer target ports to which packets are 95 * forwarded. 96 * Must be instanciated with the ethernet addresses of peer traffic generator 97 * ports. 98 */ 99 struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS]; 100 portid_t nb_peer_eth_addrs = 0; 101 102 /* 103 * Probed Target Environment. 104 */ 105 struct rte_port *ports; /**< For all probed ethernet ports. */ 106 portid_t nb_ports; /**< Number of probed ethernet ports. */ 107 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */ 108 lcoreid_t nb_lcores; /**< Number of probed logical cores. */ 109 110 /* 111 * Test Forwarding Configuration. 112 * nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores 113 * nb_fwd_ports <= nb_cfg_ports <= nb_ports 114 */ 115 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */ 116 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */ 117 portid_t nb_cfg_ports; /**< Number of configured ports. */ 118 portid_t nb_fwd_ports; /**< Number of forwarding ports. */ 119 120 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */ 121 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS]; /**< Port ids configuration. */ 122 123 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */ 124 streamid_t nb_fwd_streams; /**< Is equal to (nb_ports * nb_rxq). */ 125 126 /* 127 * Forwarding engines. 128 */ 129 struct fwd_engine * fwd_engines[] = { 130 &io_fwd_engine, 131 &mac_fwd_engine, 132 &rx_only_engine, 133 &tx_only_engine, 134 &csum_fwd_engine, 135 #ifdef RTE_LIBRTE_IEEE1588 136 &ieee1588_fwd_engine, 137 #endif 138 NULL, 139 }; 140 141 struct fwd_config cur_fwd_config; 142 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */ 143 144 uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */ 145 uint32_t param_total_num_mbufs = 0; /**< number of mbufs in all pools - if 146 * specified on command-line. */ 147 148 /* 149 * Configuration of packet segments used by the "txonly" processing engine. 150 */ 151 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */ 152 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = { 153 TXONLY_DEF_PACKET_LEN, 154 }; 155 uint8_t tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */ 156 157 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */ 158 uint16_t mb_mempool_cache = DEF_PKT_BURST; /**< Size of mbuf mempool cache. */ 159 160 /* 161 * Ethernet Ports Configuration. 162 */ 163 int promiscuous_on = 1; /**< Ports set in promiscuous mode by default. */ 164 165 /* 166 * Configurable number of RX/TX queues. 167 */ 168 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */ 169 queueid_t nb_txq = 1; /**< Number of TX queues per port. */ 170 171 /* 172 * Configurable number of RX/TX ring descriptors. 173 */ 174 #define RTE_TEST_RX_DESC_DEFAULT 128 175 #define RTE_TEST_TX_DESC_DEFAULT 512 176 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */ 177 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */ 178 179 /* 180 * Configurable values of RX and TX ring threshold registers. 181 */ 182 #define RX_PTHRESH 8 /**< Default value of RX prefetch threshold register. */ 183 #define RX_HTHRESH 8 /**< Default value of RX host threshold register. */ 184 #define RX_WTHRESH 4 /**< Default value of RX write-back threshold register. */ 185 186 #define TX_PTHRESH 36 /**< Default value of TX prefetch threshold register. */ 187 #define TX_HTHRESH 0 /**< Default value of TX host threshold register. */ 188 #define TX_WTHRESH 0 /**< Default value of TX write-back threshold register. */ 189 190 struct rte_eth_thresh rx_thresh = { 191 .pthresh = RX_PTHRESH, 192 .hthresh = RX_HTHRESH, 193 .wthresh = RX_WTHRESH, 194 }; 195 196 struct rte_eth_thresh tx_thresh = { 197 .pthresh = TX_PTHRESH, 198 .hthresh = TX_HTHRESH, 199 .wthresh = TX_WTHRESH, 200 }; 201 202 /* 203 * Configurable value of RX free threshold. 204 */ 205 uint16_t rx_free_thresh = 0; /* Immediately free RX descriptors by default. */ 206 207 /* 208 * Configurable value of RX drop enable. 209 */ 210 uint8_t rx_drop_en = 0; /* Drop packets when no descriptors for queue. */ 211 212 /* 213 * Configurable value of TX free threshold. 214 */ 215 uint16_t tx_free_thresh = 0; /* Use default values. */ 216 217 /* 218 * Configurable value of TX RS bit threshold. 219 */ 220 uint16_t tx_rs_thresh = 0; /* Use default values. */ 221 222 /* 223 * Configurable value of TX queue flags. 224 */ 225 uint32_t txq_flags = 0; /* No flags set. */ 226 227 /* 228 * Receive Side Scaling (RSS) configuration. 229 */ 230 uint16_t rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6; /* RSS IP by default. */ 231 232 /* 233 * Port topology configuration 234 */ 235 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */ 236 237 /* 238 * Ethernet device configuration. 239 */ 240 struct rte_eth_rxmode rx_mode = { 241 .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */ 242 .split_hdr_size = 0, 243 .header_split = 0, /**< Header Split disabled. */ 244 .hw_ip_checksum = 0, /**< IP checksum offload disabled. */ 245 .hw_vlan_filter = 1, /**< VLAN filtering enabled. */ 246 .hw_vlan_strip = 1, /**< VLAN strip enabled. */ 247 .hw_vlan_extend = 0, /**< Extended VLAN disabled. */ 248 .jumbo_frame = 0, /**< Jumbo Frame Support disabled. */ 249 .hw_strip_crc = 0, /**< CRC stripping by hardware disabled. */ 250 }; 251 252 struct rte_fdir_conf fdir_conf = { 253 .mode = RTE_FDIR_MODE_NONE, 254 .pballoc = RTE_FDIR_PBALLOC_64K, 255 .status = RTE_FDIR_REPORT_STATUS, 256 .flexbytes_offset = 0x6, 257 .drop_queue = 127, 258 }; 259 260 static volatile int test_done = 1; /* stop packet forwarding when set to 1. */ 261 262 struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS]; 263 struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS]; 264 265 struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array; 266 struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array; 267 268 uint16_t nb_tx_queue_stats_mappings = 0; 269 uint16_t nb_rx_queue_stats_mappings = 0; 270 271 /* Forward function declarations */ 272 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port); 273 static void check_all_ports_link_status(uint8_t port_num, uint32_t port_mask); 274 275 /* 276 * Check if all the ports are started. 277 * If yes, return positive value. If not, return zero. 278 */ 279 static int all_ports_started(void); 280 281 /* 282 * Setup default configuration. 283 */ 284 static void 285 set_default_fwd_lcores_config(void) 286 { 287 unsigned int i; 288 unsigned int nb_lc; 289 290 nb_lc = 0; 291 for (i = 0; i < RTE_MAX_LCORE; i++) { 292 if (! rte_lcore_is_enabled(i)) 293 continue; 294 if (i == rte_get_master_lcore()) 295 continue; 296 fwd_lcores_cpuids[nb_lc++] = i; 297 } 298 nb_lcores = (lcoreid_t) nb_lc; 299 nb_cfg_lcores = nb_lcores; 300 nb_fwd_lcores = 1; 301 } 302 303 static void 304 set_def_peer_eth_addrs(void) 305 { 306 portid_t i; 307 308 for (i = 0; i < RTE_MAX_ETHPORTS; i++) { 309 peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR; 310 peer_eth_addrs[i].addr_bytes[5] = i; 311 } 312 } 313 314 static void 315 set_default_fwd_ports_config(void) 316 { 317 portid_t pt_id; 318 319 for (pt_id = 0; pt_id < nb_ports; pt_id++) 320 fwd_ports_ids[pt_id] = pt_id; 321 322 nb_cfg_ports = nb_ports; 323 nb_fwd_ports = nb_ports; 324 } 325 326 void 327 set_def_fwd_config(void) 328 { 329 set_default_fwd_lcores_config(); 330 set_def_peer_eth_addrs(); 331 set_default_fwd_ports_config(); 332 } 333 334 /* 335 * Configuration initialisation done once at init time. 336 */ 337 struct mbuf_ctor_arg { 338 uint16_t seg_buf_offset; /**< offset of data in data segment of mbuf. */ 339 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 340 }; 341 342 struct mbuf_pool_ctor_arg { 343 uint16_t seg_buf_size; /**< size of data segment in mbuf. */ 344 }; 345 346 static void 347 testpmd_mbuf_ctor(struct rte_mempool *mp, 348 void *opaque_arg, 349 void *raw_mbuf, 350 __attribute__((unused)) unsigned i) 351 { 352 struct mbuf_ctor_arg *mb_ctor_arg; 353 struct rte_mbuf *mb; 354 355 mb_ctor_arg = (struct mbuf_ctor_arg *) opaque_arg; 356 mb = (struct rte_mbuf *) raw_mbuf; 357 358 mb->pool = mp; 359 mb->buf_addr = (void *) ((char *)mb + mb_ctor_arg->seg_buf_offset); 360 mb->buf_physaddr = (uint64_t) (rte_mempool_virt2phy(mp, mb) + 361 mb_ctor_arg->seg_buf_offset); 362 mb->buf_len = mb_ctor_arg->seg_buf_size; 363 mb->type = RTE_MBUF_PKT; 364 mb->ol_flags = 0; 365 mb->pkt.data = (char *) mb->buf_addr + RTE_PKTMBUF_HEADROOM; 366 mb->pkt.nb_segs = 1; 367 mb->pkt.vlan_macip.data = 0; 368 mb->pkt.hash.rss = 0; 369 } 370 371 static void 372 testpmd_mbuf_pool_ctor(struct rte_mempool *mp, 373 void *opaque_arg) 374 { 375 struct mbuf_pool_ctor_arg *mbp_ctor_arg; 376 struct rte_pktmbuf_pool_private *mbp_priv; 377 378 if (mp->private_data_size < sizeof(struct rte_pktmbuf_pool_private)) { 379 printf("%s(%s) private_data_size %d < %d\n", 380 __func__, mp->name, (int) mp->private_data_size, 381 (int) sizeof(struct rte_pktmbuf_pool_private)); 382 return; 383 } 384 mbp_ctor_arg = (struct mbuf_pool_ctor_arg *) opaque_arg; 385 mbp_priv = (struct rte_pktmbuf_pool_private *) 386 ((char *)mp + sizeof(struct rte_mempool)); 387 mbp_priv->mbuf_data_room_size = mbp_ctor_arg->seg_buf_size; 388 } 389 390 static void 391 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf, 392 unsigned int socket_id) 393 { 394 char pool_name[RTE_MEMPOOL_NAMESIZE]; 395 struct rte_mempool *rte_mp; 396 struct mbuf_pool_ctor_arg mbp_ctor_arg; 397 struct mbuf_ctor_arg mb_ctor_arg; 398 uint32_t mb_size; 399 400 mbp_ctor_arg.seg_buf_size = (uint16_t) (RTE_PKTMBUF_HEADROOM + 401 mbuf_seg_size); 402 mb_ctor_arg.seg_buf_offset = 403 (uint16_t) CACHE_LINE_ROUNDUP(sizeof(struct rte_mbuf)); 404 mb_ctor_arg.seg_buf_size = mbp_ctor_arg.seg_buf_size; 405 mb_size = mb_ctor_arg.seg_buf_offset + mb_ctor_arg.seg_buf_size; 406 mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name)); 407 rte_mp = rte_mempool_create(pool_name, nb_mbuf, (unsigned) mb_size, 408 (unsigned) mb_mempool_cache, 409 sizeof(struct rte_pktmbuf_pool_private), 410 testpmd_mbuf_pool_ctor, &mbp_ctor_arg, 411 testpmd_mbuf_ctor, &mb_ctor_arg, 412 socket_id, 0); 413 if (rte_mp == NULL) { 414 rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u " 415 "failed\n", socket_id); 416 } 417 } 418 419 static void 420 init_config(void) 421 { 422 portid_t pid; 423 struct rte_port *port; 424 struct rte_mempool *mbp; 425 unsigned int nb_mbuf_per_pool; 426 lcoreid_t lc_id; 427 428 /* Configuration of logical cores. */ 429 fwd_lcores = rte_zmalloc("testpmd: fwd_lcores", 430 sizeof(struct fwd_lcore *) * nb_lcores, 431 CACHE_LINE_SIZE); 432 if (fwd_lcores == NULL) { 433 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) " 434 "failed\n", nb_lcores); 435 } 436 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 437 fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore", 438 sizeof(struct fwd_lcore), 439 CACHE_LINE_SIZE); 440 if (fwd_lcores[lc_id] == NULL) { 441 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) " 442 "failed\n"); 443 } 444 fwd_lcores[lc_id]->cpuid_idx = lc_id; 445 } 446 447 /* 448 * Create pools of mbuf. 449 * If NUMA support is disabled, create a single pool of mbuf in 450 * socket 0 memory. 451 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1. 452 * 453 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and 454 * nb_txd can be configured at run time. 455 */ 456 if (param_total_num_mbufs) 457 nb_mbuf_per_pool = param_total_num_mbufs; 458 else { 459 nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + (nb_lcores * mb_mempool_cache) 460 + RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST; 461 nb_mbuf_per_pool = (nb_mbuf_per_pool * nb_ports); 462 } 463 if (numa_support) { 464 nb_mbuf_per_pool /= 2; 465 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 466 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 1); 467 } else { 468 mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0); 469 } 470 471 /* 472 * Records which Mbuf pool to use by each logical core, if needed. 473 */ 474 for (lc_id = 0; lc_id < nb_lcores; lc_id++) { 475 mbp = mbuf_pool_find(rte_lcore_to_socket_id(lc_id)); 476 if (mbp == NULL) 477 mbp = mbuf_pool_find(0); 478 fwd_lcores[lc_id]->mbp = mbp; 479 } 480 481 /* Configuration of Ethernet ports. */ 482 ports = rte_zmalloc("testpmd: ports", 483 sizeof(struct rte_port) * nb_ports, 484 CACHE_LINE_SIZE); 485 if (ports == NULL) { 486 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d struct rte_port) " 487 "failed\n", nb_ports); 488 } 489 490 for (pid = 0; pid < nb_ports; pid++) { 491 port = &ports[pid]; 492 rte_eth_dev_info_get(pid, &port->dev_info); 493 494 /* set flag to initialize port/queue */ 495 port->need_reconfig = 1; 496 port->need_reconfig_queues = 1; 497 } 498 499 init_port_config(); 500 501 /* Configuration of packet forwarding streams. */ 502 if (init_fwd_streams() < 0) 503 rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n"); 504 } 505 506 int 507 init_fwd_streams(void) 508 { 509 portid_t pid; 510 struct rte_port *port; 511 streamid_t sm_id, nb_fwd_streams_new; 512 513 /* set socket id according to numa or not */ 514 for (pid = 0; pid < nb_ports; pid++) { 515 port = &ports[pid]; 516 if (nb_rxq > port->dev_info.max_rx_queues) { 517 printf("Fail: nb_rxq(%d) is greater than " 518 "max_rx_queues(%d)\n", nb_rxq, 519 port->dev_info.max_rx_queues); 520 return -1; 521 } 522 if (nb_txq > port->dev_info.max_tx_queues) { 523 printf("Fail: nb_txq(%d) is greater than " 524 "max_tx_queues(%d)\n", nb_txq, 525 port->dev_info.max_tx_queues); 526 return -1; 527 } 528 if (numa_support) 529 port->socket_id = (pid < (nb_ports >> 1)) ? 0 : 1; 530 else 531 port->socket_id = 0; 532 } 533 534 nb_fwd_streams_new = (streamid_t)(nb_ports * nb_rxq); 535 if (nb_fwd_streams_new == nb_fwd_streams) 536 return 0; 537 /* clear the old */ 538 if (fwd_streams != NULL) { 539 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 540 if (fwd_streams[sm_id] == NULL) 541 continue; 542 rte_free(fwd_streams[sm_id]); 543 fwd_streams[sm_id] = NULL; 544 } 545 rte_free(fwd_streams); 546 fwd_streams = NULL; 547 } 548 549 /* init new */ 550 nb_fwd_streams = nb_fwd_streams_new; 551 fwd_streams = rte_zmalloc("testpmd: fwd_streams", 552 sizeof(struct fwd_stream *) * nb_fwd_streams, CACHE_LINE_SIZE); 553 if (fwd_streams == NULL) 554 rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) " 555 "failed\n", nb_fwd_streams); 556 557 for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) { 558 fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream", 559 sizeof(struct fwd_stream), CACHE_LINE_SIZE); 560 if (fwd_streams[sm_id] == NULL) 561 rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream)" 562 " failed\n"); 563 } 564 565 return 0; 566 } 567 568 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 569 static void 570 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs) 571 { 572 unsigned int total_burst; 573 unsigned int nb_burst; 574 unsigned int burst_stats[3]; 575 uint16_t pktnb_stats[3]; 576 uint16_t nb_pkt; 577 int burst_percent[3]; 578 579 /* 580 * First compute the total number of packet bursts and the 581 * two highest numbers of bursts of the same number of packets. 582 */ 583 total_burst = 0; 584 burst_stats[0] = burst_stats[1] = burst_stats[2] = 0; 585 pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0; 586 for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) { 587 nb_burst = pbs->pkt_burst_spread[nb_pkt]; 588 if (nb_burst == 0) 589 continue; 590 total_burst += nb_burst; 591 if (nb_burst > burst_stats[0]) { 592 burst_stats[1] = burst_stats[0]; 593 pktnb_stats[1] = pktnb_stats[0]; 594 burst_stats[0] = nb_burst; 595 pktnb_stats[0] = nb_pkt; 596 } 597 } 598 if (total_burst == 0) 599 return; 600 burst_percent[0] = (burst_stats[0] * 100) / total_burst; 601 printf(" %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst, 602 burst_percent[0], (int) pktnb_stats[0]); 603 if (burst_stats[0] == total_burst) { 604 printf("]\n"); 605 return; 606 } 607 if (burst_stats[0] + burst_stats[1] == total_burst) { 608 printf(" + %d%% of %d pkts]\n", 609 100 - burst_percent[0], pktnb_stats[1]); 610 return; 611 } 612 burst_percent[1] = (burst_stats[1] * 100) / total_burst; 613 burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]); 614 if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) { 615 printf(" + %d%% of others]\n", 100 - burst_percent[0]); 616 return; 617 } 618 printf(" + %d%% of %d pkts + %d%% of others]\n", 619 burst_percent[1], (int) pktnb_stats[1], burst_percent[2]); 620 } 621 #endif /* RTE_TEST_PMD_RECORD_BURST_STATS */ 622 623 static void 624 fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) 625 { 626 struct rte_port *port; 627 628 static const char *fwd_stats_border = "----------------------"; 629 630 port = &ports[port_id]; 631 printf("\n %s Forward statistics for port %-2d %s\n", 632 fwd_stats_border, port_id, fwd_stats_border); 633 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 634 "%-"PRIu64"\n", 635 stats->ipackets, stats->ierrors, 636 (uint64_t) (stats->ipackets + stats->ierrors)); 637 638 if (cur_fwd_eng == &csum_fwd_engine) 639 printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", 640 port->rx_bad_ip_csum, port->rx_bad_l4_csum); 641 642 printf(" TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 643 "%-"PRIu64"\n", 644 stats->opackets, port->tx_dropped, 645 (uint64_t) (stats->opackets + port->tx_dropped)); 646 647 if (stats->rx_nombuf > 0) 648 printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); 649 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 650 if (port->rx_stream) 651 pkt_burst_stats_display("RX", &port->rx_stream->rx_burst_stats); 652 if (port->tx_stream) 653 pkt_burst_stats_display("TX", &port->tx_stream->tx_burst_stats); 654 #endif 655 /* stats fdir */ 656 if (fdir_conf.mode != RTE_FDIR_MODE_NONE) 657 printf(" Fdirmiss: %-14"PRIu64" Fdirmatch: %-14"PRIu64"\n", 658 stats->fdirmiss, 659 stats->fdirmatch); 660 661 printf(" %s--------------------------------%s\n", 662 fwd_stats_border, fwd_stats_border); 663 } 664 665 static void 666 fwd_stream_stats_display(streamid_t stream_id) 667 { 668 struct fwd_stream *fs; 669 static const char *fwd_top_stats_border = "-------"; 670 671 fs = fwd_streams[stream_id]; 672 if ((fs->rx_packets == 0) && (fs->tx_packets == 0) && 673 (fs->fwd_dropped == 0)) 674 return; 675 printf("\n %s Forward Stats for RX Port=%2d/Queue=%2d -> " 676 "TX Port=%2d/Queue=%2d %s\n", 677 fwd_top_stats_border, fs->rx_port, fs->rx_queue, 678 fs->tx_port, fs->tx_queue, fwd_top_stats_border); 679 printf(" RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u", 680 fs->rx_packets, fs->tx_packets, fs->fwd_dropped); 681 682 /* if checksum mode */ 683 if (cur_fwd_eng == &csum_fwd_engine) { 684 printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: %-14u\n", 685 fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); 686 } 687 688 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 689 pkt_burst_stats_display("RX", &fs->rx_burst_stats); 690 pkt_burst_stats_display("TX", &fs->tx_burst_stats); 691 #endif 692 } 693 694 static void 695 flush_all_rx_queues(void) 696 { 697 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 698 portid_t rxp; 699 queueid_t rxq; 700 uint16_t nb_rx; 701 uint16_t i; 702 uint8_t j; 703 704 for (j = 0; j < 2; j++) { 705 for (rxp = 0; rxp < nb_ports; rxp++) { 706 for (rxq = 0; rxq < nb_rxq; rxq++) { 707 do { 708 nb_rx = rte_eth_rx_burst(rxp, rxq, 709 pkts_burst, 710 MAX_PKT_BURST); 711 for (i = 0; i < nb_rx; i++) 712 rte_pktmbuf_free(pkts_burst[i]); 713 } while (nb_rx > 0); 714 } 715 } 716 rte_delay_ms(10); /* wait 10 milli-seconds before retrying */ 717 } 718 } 719 720 static void 721 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd) 722 { 723 struct fwd_stream **fsm; 724 streamid_t nb_fs; 725 streamid_t sm_id; 726 727 fsm = &fwd_streams[fc->stream_idx]; 728 nb_fs = fc->stream_nb; 729 do { 730 for (sm_id = 0; sm_id < nb_fs; sm_id++) 731 (*pkt_fwd)(fsm[sm_id]); 732 } while (! fc->stopped); 733 } 734 735 static int 736 start_pkt_forward_on_core(void *fwd_arg) 737 { 738 run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg, 739 cur_fwd_config.fwd_eng->packet_fwd); 740 return 0; 741 } 742 743 /* 744 * Run the TXONLY packet forwarding engine to send a single burst of packets. 745 * Used to start communication flows in network loopback test configurations. 746 */ 747 static int 748 run_one_txonly_burst_on_core(void *fwd_arg) 749 { 750 struct fwd_lcore *fwd_lc; 751 struct fwd_lcore tmp_lcore; 752 753 fwd_lc = (struct fwd_lcore *) fwd_arg; 754 tmp_lcore = *fwd_lc; 755 tmp_lcore.stopped = 1; 756 run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd); 757 return 0; 758 } 759 760 /* 761 * Launch packet forwarding: 762 * - Setup per-port forwarding context. 763 * - launch logical cores with their forwarding configuration. 764 */ 765 static void 766 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore) 767 { 768 port_fwd_begin_t port_fwd_begin; 769 unsigned int i; 770 unsigned int lc_id; 771 int diag; 772 773 port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin; 774 if (port_fwd_begin != NULL) { 775 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 776 (*port_fwd_begin)(fwd_ports_ids[i]); 777 } 778 for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) { 779 lc_id = fwd_lcores_cpuids[i]; 780 if ((interactive == 0) || (lc_id != rte_lcore_id())) { 781 fwd_lcores[i]->stopped = 0; 782 diag = rte_eal_remote_launch(pkt_fwd_on_lcore, 783 fwd_lcores[i], lc_id); 784 if (diag != 0) 785 printf("launch lcore %u failed - diag=%d\n", 786 lc_id, diag); 787 } 788 } 789 } 790 791 /* 792 * Launch packet forwarding configuration. 793 */ 794 void 795 start_packet_forwarding(int with_tx_first) 796 { 797 port_fwd_begin_t port_fwd_begin; 798 port_fwd_end_t port_fwd_end; 799 struct rte_port *port; 800 unsigned int i; 801 portid_t pt_id; 802 streamid_t sm_id; 803 804 if (all_ports_started() == 0) { 805 printf("Not all ports were started\n"); 806 return; 807 } 808 if (test_done == 0) { 809 printf("Packet forwarding already started\n"); 810 return; 811 } 812 test_done = 0; 813 flush_all_rx_queues(); 814 fwd_config_setup(); 815 rxtx_config_display(); 816 817 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 818 pt_id = fwd_ports_ids[i]; 819 port = &ports[pt_id]; 820 rte_eth_stats_get(pt_id, &port->stats); 821 port->tx_dropped = 0; 822 } 823 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 824 fwd_streams[sm_id]->rx_packets = 0; 825 fwd_streams[sm_id]->tx_packets = 0; 826 fwd_streams[sm_id]->fwd_dropped = 0; 827 fwd_streams[sm_id]->rx_bad_ip_csum = 0; 828 fwd_streams[sm_id]->rx_bad_l4_csum = 0; 829 830 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 831 memset(&fwd_streams[sm_id]->rx_burst_stats, 0, 832 sizeof(fwd_streams[sm_id]->rx_burst_stats)); 833 memset(&fwd_streams[sm_id]->tx_burst_stats, 0, 834 sizeof(fwd_streams[sm_id]->tx_burst_stats)); 835 #endif 836 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 837 fwd_streams[sm_id]->core_cycles = 0; 838 #endif 839 } 840 if (with_tx_first) { 841 port_fwd_begin = tx_only_engine.port_fwd_begin; 842 if (port_fwd_begin != NULL) { 843 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 844 (*port_fwd_begin)(fwd_ports_ids[i]); 845 } 846 launch_packet_forwarding(run_one_txonly_burst_on_core); 847 rte_eal_mp_wait_lcore(); 848 port_fwd_end = tx_only_engine.port_fwd_end; 849 if (port_fwd_end != NULL) { 850 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) 851 (*port_fwd_end)(fwd_ports_ids[i]); 852 } 853 } 854 launch_packet_forwarding(start_pkt_forward_on_core); 855 } 856 857 void 858 stop_packet_forwarding(void) 859 { 860 struct rte_eth_stats stats; 861 struct rte_port *port; 862 port_fwd_end_t port_fwd_end; 863 int i; 864 portid_t pt_id; 865 streamid_t sm_id; 866 lcoreid_t lc_id; 867 uint64_t total_recv; 868 uint64_t total_xmit; 869 uint64_t total_rx_dropped; 870 uint64_t total_tx_dropped; 871 uint64_t total_rx_nombuf; 872 uint64_t tx_dropped; 873 uint64_t rx_bad_ip_csum; 874 uint64_t rx_bad_l4_csum; 875 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 876 uint64_t fwd_cycles; 877 #endif 878 static const char *acc_stats_border = "+++++++++++++++"; 879 880 if (all_ports_started() == 0) { 881 printf("Not all ports were started\n"); 882 return; 883 } 884 if (test_done) { 885 printf("Packet forwarding not started\n"); 886 return; 887 } 888 printf("Telling cores to stop..."); 889 for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++) 890 fwd_lcores[lc_id]->stopped = 1; 891 printf("\nWaiting for lcores to finish...\n"); 892 rte_eal_mp_wait_lcore(); 893 port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end; 894 if (port_fwd_end != NULL) { 895 for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) { 896 pt_id = fwd_ports_ids[i]; 897 (*port_fwd_end)(pt_id); 898 } 899 } 900 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 901 fwd_cycles = 0; 902 #endif 903 for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) { 904 if (cur_fwd_config.nb_fwd_streams > 905 cur_fwd_config.nb_fwd_ports) { 906 fwd_stream_stats_display(sm_id); 907 ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL; 908 ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL; 909 } else { 910 ports[fwd_streams[sm_id]->tx_port].tx_stream = 911 fwd_streams[sm_id]; 912 ports[fwd_streams[sm_id]->rx_port].rx_stream = 913 fwd_streams[sm_id]; 914 } 915 tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped; 916 tx_dropped = (uint64_t) (tx_dropped + 917 fwd_streams[sm_id]->fwd_dropped); 918 ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped; 919 920 rx_bad_ip_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum; 921 rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum + 922 fwd_streams[sm_id]->rx_bad_ip_csum); 923 ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum = rx_bad_ip_csum; 924 925 rx_bad_l4_csum = ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum; 926 rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum + 927 fwd_streams[sm_id]->rx_bad_l4_csum); 928 ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; 929 930 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 931 fwd_cycles = (uint64_t) (fwd_cycles + 932 fwd_streams[sm_id]->core_cycles); 933 #endif 934 } 935 total_recv = 0; 936 total_xmit = 0; 937 total_rx_dropped = 0; 938 total_tx_dropped = 0; 939 total_rx_nombuf = 0; 940 for (i = 0; i < ((cur_fwd_config.nb_fwd_ports + 1) & ~0x1); i++) { 941 pt_id = fwd_ports_ids[i]; 942 943 port = &ports[pt_id]; 944 rte_eth_stats_get(pt_id, &stats); 945 stats.ipackets -= port->stats.ipackets; 946 port->stats.ipackets = 0; 947 stats.opackets -= port->stats.opackets; 948 port->stats.opackets = 0; 949 stats.ibytes -= port->stats.ibytes; 950 port->stats.ibytes = 0; 951 stats.obytes -= port->stats.obytes; 952 port->stats.obytes = 0; 953 stats.ierrors -= port->stats.ierrors; 954 port->stats.ierrors = 0; 955 stats.oerrors -= port->stats.oerrors; 956 port->stats.oerrors = 0; 957 stats.rx_nombuf -= port->stats.rx_nombuf; 958 port->stats.rx_nombuf = 0; 959 stats.fdirmatch -= port->stats.fdirmatch; 960 port->stats.rx_nombuf = 0; 961 stats.fdirmiss -= port->stats.fdirmiss; 962 port->stats.rx_nombuf = 0; 963 964 total_recv += stats.ipackets; 965 total_xmit += stats.opackets; 966 total_rx_dropped += stats.ierrors; 967 total_tx_dropped += port->tx_dropped; 968 total_rx_nombuf += stats.rx_nombuf; 969 970 fwd_port_stats_display(pt_id, &stats); 971 } 972 printf("\n %s Accumulated forward statistics for all ports" 973 "%s\n", 974 acc_stats_border, acc_stats_border); 975 printf(" RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: " 976 "%-"PRIu64"\n" 977 " TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: " 978 "%-"PRIu64"\n", 979 total_recv, total_rx_dropped, total_recv + total_rx_dropped, 980 total_xmit, total_tx_dropped, total_xmit + total_tx_dropped); 981 if (total_rx_nombuf > 0) 982 printf(" RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf); 983 printf(" %s++++++++++++++++++++++++++++++++++++++++++++++" 984 "%s\n", 985 acc_stats_border, acc_stats_border); 986 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 987 if (total_recv > 0) 988 printf("\n CPU cycles/packet=%u (total cycles=" 989 "%"PRIu64" / total RX packets=%"PRIu64")\n", 990 (unsigned int)(fwd_cycles / total_recv), 991 fwd_cycles, total_recv); 992 #endif 993 printf("\nDone.\n"); 994 test_done = 1; 995 } 996 997 static int 998 all_ports_started(void) 999 { 1000 portid_t pi; 1001 struct rte_port *port; 1002 1003 for (pi = 0; pi < nb_ports; pi++) { 1004 port = &ports[pi]; 1005 /* Check if there is a port which is not started */ 1006 if (port->port_status != RTE_PORT_STARTED) 1007 return 0; 1008 } 1009 1010 /* No port is not started */ 1011 return 1; 1012 } 1013 1014 void 1015 start_port(portid_t pid) 1016 { 1017 int diag, need_check_link_status = 0; 1018 portid_t pi; 1019 queueid_t qi; 1020 struct rte_port *port; 1021 1022 if (test_done == 0) { 1023 printf("Please stop forwarding first\n"); 1024 return; 1025 } 1026 1027 if (init_fwd_streams() < 0) { 1028 printf("Fail from init_fwd_streams()\n"); 1029 return; 1030 } 1031 1032 if(dcb_config) 1033 dcb_test = 1; 1034 for (pi = 0; pi < nb_ports; pi++) { 1035 if (pid < nb_ports && pid != pi) 1036 continue; 1037 1038 port = &ports[pi]; 1039 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED, 1040 RTE_PORT_HANDLING) == 0) { 1041 printf("Port %d is now not stopped\n", pi); 1042 continue; 1043 } 1044 1045 if (port->need_reconfig > 0) { 1046 port->need_reconfig = 0; 1047 1048 printf("Configuring Port %d\n", pi); 1049 /* configure port */ 1050 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, 1051 &(port->dev_conf)); 1052 if (diag != 0) { 1053 if (rte_atomic16_cmpset(&(port->port_status), 1054 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1055 printf("Port %d can not be set back " 1056 "to stopped\n", pi); 1057 printf("Fail to configure port %d\n", pi); 1058 /* try to reconfigure port next time */ 1059 port->need_reconfig = 1; 1060 return; 1061 } 1062 } 1063 1064 if (port->need_reconfig_queues > 0) { 1065 port->need_reconfig_queues = 0; 1066 1067 /* setup tx queues */ 1068 for (qi = 0; qi < nb_txq; qi++) { 1069 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, 1070 port->socket_id, &(port->tx_conf)); 1071 if (diag == 0) 1072 continue; 1073 1074 /* Fail to setup tx queue, return */ 1075 if (rte_atomic16_cmpset(&(port->port_status), 1076 RTE_PORT_HANDLING, 1077 RTE_PORT_STOPPED) == 0) 1078 printf("Port %d can not be set back " 1079 "to stopped\n", pi); 1080 printf("Fail to configure port %d tx queues\n", pi); 1081 /* try to reconfigure queues next time */ 1082 port->need_reconfig_queues = 1; 1083 return; 1084 } 1085 /* setup rx queues */ 1086 for (qi = 0; qi < nb_rxq; qi++) { 1087 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, 1088 port->socket_id, &(port->rx_conf), 1089 mbuf_pool_find(port->socket_id)); 1090 if (diag == 0) 1091 continue; 1092 1093 /* Fail to setup rx queue, return */ 1094 if (rte_atomic16_cmpset(&(port->port_status), 1095 RTE_PORT_HANDLING, 1096 RTE_PORT_STOPPED) == 0) 1097 printf("Port %d can not be set back " 1098 "to stopped\n", pi); 1099 printf("Fail to configure port %d rx queues\n", pi); 1100 /* try to reconfigure queues next time */ 1101 port->need_reconfig_queues = 1; 1102 return; 1103 } 1104 } 1105 1106 /* start port */ 1107 if (rte_eth_dev_start(pi) < 0) { 1108 printf("Fail to start port %d\n", pi); 1109 1110 /* Fail to setup rx queue, return */ 1111 if (rte_atomic16_cmpset(&(port->port_status), 1112 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1113 printf("Port %d can not be set back to " 1114 "stopped\n", pi); 1115 continue; 1116 } 1117 1118 if (rte_atomic16_cmpset(&(port->port_status), 1119 RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0) 1120 printf("Port %d can not be set into started\n", pi); 1121 1122 /* at least one port started, need checking link status */ 1123 need_check_link_status = 1; 1124 } 1125 1126 if (need_check_link_status) 1127 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 1128 else 1129 printf("Please stop the ports first\n"); 1130 1131 printf("Done\n"); 1132 } 1133 1134 void 1135 stop_port(portid_t pid) 1136 { 1137 portid_t pi; 1138 struct rte_port *port; 1139 int need_check_link_status = 0; 1140 1141 if (test_done == 0) { 1142 printf("Please stop forwarding first\n"); 1143 return; 1144 } 1145 if (dcb_test) { 1146 dcb_test = 0; 1147 dcb_config = 0; 1148 } 1149 printf("Stopping ports...\n"); 1150 1151 for (pi = 0; pi < nb_ports; pi++) { 1152 if (pid < nb_ports && pid != pi) 1153 continue; 1154 1155 port = &ports[pi]; 1156 if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED, 1157 RTE_PORT_HANDLING) == 0) 1158 continue; 1159 1160 rte_eth_dev_stop(pi); 1161 1162 if (rte_atomic16_cmpset(&(port->port_status), 1163 RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0) 1164 printf("Port %d can not be set into stopped\n", pi); 1165 need_check_link_status = 1; 1166 } 1167 if (need_check_link_status) 1168 check_all_ports_link_status(nb_ports, RTE_PORT_ALL); 1169 1170 printf("Done\n"); 1171 } 1172 1173 void 1174 close_port(portid_t pid) 1175 { 1176 portid_t pi; 1177 struct rte_port *port; 1178 1179 if (test_done == 0) { 1180 printf("Please stop forwarding first\n"); 1181 return; 1182 } 1183 1184 printf("Closing ports...\n"); 1185 1186 for (pi = 0; pi < nb_ports; pi++) { 1187 if (pid < nb_ports && pid != pi) 1188 continue; 1189 1190 port = &ports[pi]; 1191 if (rte_atomic16_cmpset(&(port->port_status), 1192 RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) { 1193 printf("Port %d is now not stopped\n", pi); 1194 continue; 1195 } 1196 1197 rte_eth_dev_close(pi); 1198 1199 if (rte_atomic16_cmpset(&(port->port_status), 1200 RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0) 1201 printf("Port %d can not be set into stopped\n", pi); 1202 } 1203 1204 printf("Done\n"); 1205 } 1206 1207 int 1208 all_ports_stopped(void) 1209 { 1210 portid_t pi; 1211 struct rte_port *port; 1212 1213 for (pi = 0; pi < nb_ports; pi++) { 1214 port = &ports[pi]; 1215 if (port->port_status != RTE_PORT_STOPPED) 1216 return 0; 1217 } 1218 1219 return 1; 1220 } 1221 1222 void 1223 pmd_test_exit(void) 1224 { 1225 portid_t pt_id; 1226 1227 for (pt_id = 0; pt_id < nb_ports; pt_id++) { 1228 printf("Stopping port %d...", pt_id); 1229 fflush(stdout); 1230 rte_eth_dev_close(pt_id); 1231 printf("done\n"); 1232 } 1233 printf("bye...\n"); 1234 } 1235 1236 typedef void (*cmd_func_t)(void); 1237 struct pmd_test_command { 1238 const char *cmd_name; 1239 cmd_func_t cmd_func; 1240 }; 1241 1242 #define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0])) 1243 1244 /* Check the link status of all ports in up to 9s, and print them finally */ 1245 static void 1246 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 1247 { 1248 #define CHECK_INTERVAL 100 /* 100ms */ 1249 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 1250 uint8_t portid, count, all_ports_up, print_flag = 0; 1251 struct rte_eth_link link; 1252 1253 printf("Checking link statuses...\n"); 1254 fflush(stdout); 1255 for (count = 0; count <= MAX_CHECK_TIME; count++) { 1256 all_ports_up = 1; 1257 for (portid = 0; portid < port_num; portid++) { 1258 if ((port_mask & (1 << portid)) == 0) 1259 continue; 1260 memset(&link, 0, sizeof(link)); 1261 rte_eth_link_get_nowait(portid, &link); 1262 /* print link status if flag set */ 1263 if (print_flag == 1) { 1264 if (link.link_status) 1265 printf("Port %d Link Up - speed %u " 1266 "Mbps - %s\n", (uint8_t)portid, 1267 (unsigned)link.link_speed, 1268 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1269 ("full-duplex") : ("half-duplex\n")); 1270 else 1271 printf("Port %d Link Down\n", 1272 (uint8_t)portid); 1273 continue; 1274 } 1275 /* clear all_ports_up flag if any link down */ 1276 if (link.link_status == 0) { 1277 all_ports_up = 0; 1278 break; 1279 } 1280 } 1281 /* after finally printing all link status, get out */ 1282 if (print_flag == 1) 1283 break; 1284 1285 if (all_ports_up == 0) { 1286 fflush(stdout); 1287 rte_delay_ms(CHECK_INTERVAL); 1288 } 1289 1290 /* set the print_flag if all ports up or timeout */ 1291 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 1292 print_flag = 1; 1293 } 1294 } 1295 } 1296 1297 static void 1298 init_ports(void) 1299 { 1300 struct rte_eth_link link; 1301 struct rte_eth_conf port_conf = { 1302 .intr_conf = { 1303 .lsc = 0, 1304 }, 1305 }; 1306 struct rte_eth_rxconf rx_conf; 1307 struct rte_eth_txconf tx_conf; 1308 struct rte_port *port; 1309 unsigned int sock_id; 1310 portid_t pi; 1311 queueid_t qi; 1312 int diag; 1313 1314 port_conf.rxmode = rx_mode; 1315 port_conf.fdir_conf = fdir_conf; 1316 1317 if (nb_rxq > 0) { /* configure RSS */ 1318 port_conf.rx_adv_conf.rss_conf.rss_key = NULL; 1319 /* use default hash key */ 1320 port_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf; 1321 } else 1322 port_conf.rx_adv_conf.rss_conf.rss_hf = 0; 1323 rx_conf.rx_thresh = rx_thresh; 1324 rx_conf.rx_free_thresh = rx_free_thresh; 1325 tx_conf.tx_thresh = tx_thresh; 1326 tx_conf.tx_rs_thresh = tx_rs_thresh; 1327 tx_conf.tx_free_thresh = tx_free_thresh; 1328 1329 for (pi = 0; pi < nb_ports; pi++) { 1330 port = &ports[pi]; 1331 memcpy(&port->dev_conf, &port_conf, sizeof(port_conf)); 1332 sock_id = port->socket_id; 1333 printf("Initializing port %d... ", pi); 1334 fflush(stdout); 1335 diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq, &port_conf); 1336 if (diag != 0) { 1337 fatal_init_error("rte_eth_dev_configure", pi, diag); 1338 /* NOT REACHED */ 1339 } 1340 rte_eth_macaddr_get(pi, &port->eth_addr); 1341 for (qi = 0; qi < nb_txq; qi++) { 1342 diag = rte_eth_tx_queue_setup(pi, qi, nb_txd, 1343 sock_id, 1344 &tx_conf); 1345 if (diag != 0) { 1346 fatal_init_error("rte_eth_tx_queue_setup", 1347 pi, diag); 1348 /* NOT REACHED */ 1349 } 1350 } 1351 for (qi = 0; qi < nb_rxq; qi++) { 1352 diag = rte_eth_rx_queue_setup(pi, qi, nb_rxd, sock_id, 1353 &rx_conf, 1354 mbuf_pool_find(sock_id)); 1355 if (diag != 0) { 1356 fatal_init_error("rte_eth_rx_queue_setup", 1357 pi , diag); 1358 /* NOT REACHED */ 1359 } 1360 } 1361 1362 /* Start device */ 1363 diag = rte_eth_dev_start(pi); 1364 if (diag != 0) { 1365 fatal_init_error("rte_eth_dev_start", pi, diag); 1366 /* NOT REACHED */ 1367 } 1368 printf("done: "); 1369 rte_eth_link_get(pi, &link); 1370 if (link.link_status) { 1371 printf(" Link Up - speed %u Mbps - %s\n", 1372 (unsigned) link.link_speed, 1373 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1374 ("full-duplex") : ("half-duplex\n")); 1375 } else { 1376 printf(" Link Down\n"); 1377 } 1378 1379 /* 1380 * If enabled, put device in promiscuous mode. 1381 * This allows the PMD test in IO forwarding mode to forward 1382 * packets to itself through 2 cross-connected ports of the 1383 * target machine. 1384 */ 1385 if (promiscuous_on) 1386 rte_eth_promiscuous_enable(pi); 1387 } 1388 } 1389 1390 #ifdef RTE_EXEC_ENV_BAREMETAL 1391 #define main _main 1392 #endif 1393 1394 int 1395 main(int argc, char** argv) 1396 { 1397 int diag; 1398 1399 diag = rte_eal_init(argc, argv); 1400 if (diag < 0) 1401 rte_panic("Cannot init EAL\n"); 1402 1403 if (rte_pmd_init_all()) 1404 rte_panic("Cannot init PMD\n"); 1405 1406 if (rte_eal_pci_probe()) 1407 rte_panic("Cannot probe PCI\n"); 1408 1409 nb_ports = (portid_t) rte_eth_dev_count(); 1410 if (nb_ports == 0) 1411 rte_exit(EXIT_FAILURE, "No probed ethernet devices - check that " 1412 "CONFIG_RTE_LIBRTE_IGB_PMD=y and that " 1413 "CONFIG_RTE_LIBRTE_EM_PMD=y and that " 1414 "CONFIG_RTE_LIBRTE_IXGBE_PMD=y in your " 1415 "configuration file\n"); 1416 1417 set_def_fwd_config(); 1418 if (nb_lcores == 0) 1419 rte_panic("Empty set of forwarding logical cores - check the " 1420 "core mask supplied in the command parameters\n"); 1421 1422 argc -= diag; 1423 argv += diag; 1424 if (argc > 1) 1425 launch_args_parse(argc, argv); 1426 1427 if (nb_rxq > nb_txq) 1428 printf("Warning: nb_rxq=%d enables RSS configuration, " 1429 "but nb_txq=%d will prevent to fully test it.\n", 1430 nb_rxq, nb_txq); 1431 1432 init_config(); 1433 start_port(RTE_PORT_ALL); 1434 1435 /* set all ports to promiscuous mode by default */ 1436 for (port_id = 0; port_id < nb_ports; port_id++) 1437 rte_eth_promiscuous_enable(port_id); 1438 1439 if (interactive == 1) 1440 prompt(); 1441 else { 1442 char c; 1443 int rc; 1444 1445 printf("No commandline core given, start packet forwarding\n"); 1446 start_packet_forwarding(0); 1447 printf("Press enter to exit\n"); 1448 rc = read(0, &c, 1); 1449 if (rc < 0) 1450 return 1; 1451 } 1452 1453 return 0; 1454 } 1455